In PHP, how do I deduplicate objects for beginners?

In this guide, you will learn how to deduplicate an array of objects in PHP. This is essential for data management and ensures that your datasets are clean and error-free.
PHP, deduplicate objects, array, unique values, programming, data management
<?php // Sample array of objects $objects = [ (object) ['id' => 1, 'name' => 'Alice'], (object) ['id' => 2, 'name' => 'Bob'], (object) ['id' => 1, 'name' => 'Alice'], // Duplicate (object) ['id' => 3, 'name' => 'Charlie'] ]; // Function to deduplicate objects by 'id' function deduplicateObjects($array) { $unique = []; foreach ($array as $object) { if (!in_array($object->id, array_column($unique, 'id'))) { $unique[] = $object; } } return $unique; } // Using the function $deduplicated = deduplicateObjects($objects); // Output the results foreach ($deduplicated as $item) { echo "ID: {$item->id}, Name: {$item->name}<br>"; } ?>

PHP deduplicate objects array unique values programming data management

Related Questions

How do I avoid rehashing overhead with std::set in multithreaded code?

How do I find elements with custom comparators with std::set for embedded targets?

How do I erase elements while iterating with std::set for embedded targets?

How do I provide stable iteration order with std::unordered_map for large datasets?

How do I reserve capacity ahead of time with std::unordered_map for large datasets?

How do I erase elements while iterating with std::unordered_map in multithreaded code?

How do I provide stable iteration order with std::map for embedded targets?

How do I provide stable iteration order with std::map in multithreaded code?

How do I avoid rehashing overhead with std::map in performance-sensitive code?

How do I merge two containers efficiently with std::map for embedded targets?